Pepperl + Fuchs Induktiver Sensor - Induktive Näherungsschalter NXB4-12GM50-E2 4 mm PNP Schließer (NO) 3-Draht DC - 10-30 V 100 mA : Amazon.de: Gewerbe, Industrie & Wissenschaft
uxcell 4mm Inductive Proximity Sensor Switch Detector NPN NO DC 5-30V 200mA 3-Wire SN04-N for 3D Printer Probe Bed Leveling,MCU Board: Amazon.com: Industrial & Scientific